Abstract
Results obtained by directly measuring the total cross section for photon-nucleon interaction through recording photoproduction processes at the Baksan underground scintillation telescope of the Institute for Nuclear Research (Russian Academy of Sciences, Moscow) are presented. The effect of a faster growth of photon-hadron cross sections in relation to hadron-hadron cross sections is confirmed in the energy range \(\sqrt \mathcal{S} = 40 - 130 GeV\). It is shown that an increase in the number of additive quarks in photon-hadronization products may be one of the reasons behind this effect. Experimental data on the cross sections for photon-nucleon and photon-photon interactions are subjected to a comparative analysis, and the status of the results obtained from direct and indirect cross-section measurements in the high-energy region is discussed.
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Translated from Yadernaya Fizika, Vol. 66, No. 3, 2003, pp. 591–600.
Original Russian Text Copyright © 2003 by Vereshkov, Lalakulich, Novoseltsev, Novoseltseva.
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Vereshkov, G.M., Lalakulich, O.D., Novoseltsev, Y.F. et al. Total cross section for photon-nucleon interaction in the energy range \(\sqrt \mathcal{S} = 40 - 250 GeV\) . Phys. Atom. Nuclei 66, 565–574 (2003). https://doi.org/10.1134/1.1563723
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DOI: https://doi.org/10.1134/1.1563723